Cram, T. (2001). Customers that count: How to build living relationships with your most valuable customers (1. publ.). Financial Times, Prentice Hall.
Chicago-Zitierstil (17. Ausg.)Cram, Tony. Customers That Count: How to Build Living Relationships with Your Most Valuable Customers. 1. publ. London, Munich [u.a.]: Financial Times, Prentice Hall, 2001.
MLA-Zitierstil (9. Ausg.)Cram, Tony. Customers That Count: How to Build Living Relationships with Your Most Valuable Customers. 1. publ. Financial Times, Prentice Hall, 2001.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.